FitBest Replacement Carburetor for Stihl FS87 FS90 FS100 FS110 HT100 HT101 HL100 HL90 FC95 FC90 FC110 FC100 KM90 KM100 4180 120 0604 100% New high quality aftermarket carburetor for stihl Fits Stihl FS87 FS90 FS100 FS110 HT100 HT101 HL100 HL90 FC95 FC90 FC110 FC100 KM90 KM100 engines Replaces OEM# 4180 120 0604, 4180-120-0607, 4180-120-0608, 4180-120-0610, 4180-120-0611 Replace ZAMA OEM: C1Q-S174, C1Q-S173, C1Q-S176 Package includes: 1 x carburetor